cpufreq: CPPC: Fix possible null-ptr-deref for cpufreq_cpu_get_raw()

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[ Upstream commit a78e720756 ]

cpufreq_cpu_get_raw() may return NULL if the cpu is not in
policy->cpus cpu mask and it will cause null pointer dereference.

Fixes: 740fcdc2c2 ("cpufreq: CPPC: Register EM based on efficiency class information")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Jinjie Ruan 2024-10-30 09:20:19 +08:00 • committed by Greg Kroah-Hartman

parent 525e18f1ba

commit 65fe2f7fda

1 changed files with 3 additions and 0 deletions

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drivers/cpufreq/cppc_cpufreq.c

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